A polar bear who is very bored with various marine animals in the deep blue sea. It continues an ancient tradition of "Caricatures of Frolicking animals" in scroll painting-style; this time, "Frolicking Sea Animals," in animation form, with a play on Japanese and English language word-plays: "Hokyoku-Guma Suggoku Hima. / Polar bear bears boredom", "Kawauso Kawaisou. / Other otter, poor otter," etc.